Improvement in gamp-shades



` awfeHUReHILL.

Lamp Shade No. 95,000. Patented Sept. Z1, 1860v paits.

R. W. .CHURcHILi L, vor BRI'DGEPORT, coNNncTicUT- Letters ,Patient o. 95,000, dated Septeanlier 21, 1869.

IMPROVEMENT 1N 'LAMP-enanas.

' The Schedulereerred to in these Letters Patent and making perfofthe same.

-Toall whom 'it may' concern Be it known that I, R. W. OURGH'IILL, of' Bridgeport, in the county of Fairfield, and State of Connectient,l have invented ane'w and `improved. Lamp-Shade;- @and I do hereby declare that th e following is a full, clear, 'and exact description thereof, which will enable .other-s. skilled in the .art to make and use the same, reference being had to the accompanying drawings, 'forming part'of this specification.

This invention relates'lto `improvements in .lamps shades for application to the 'glass chimneys of kerosene and other similar lamps,`having for its object to provide an improved'construction and arrangement for shades made inv sections, for expanding and contracts ing, 13o/ vary the extent of the shade.

Figure 1 represents a plan view of my' imp1'oVed shade, and A Figure 2 represents a section lof the same.

Similar letters of reference indicate corresponding A represents the h'ezragonal wire support, and B,

the segmental sections of the shade, hinged thereto,

so as to work freely u p and down, for expanding or contracting. These sections lap atthe edges, `so

as to admit .of expanding or contracting to a con-v siderable extentfwithout permittingthe light to .pass

between them, as shown in'dottcd lines.

Near the base, each section is provided with .a

' tongue, C, projecting laterally therefrom, orn a plane parallel \'itli'tl1e plain border oftheadjoinng section,

unifrmif inthe same relative iposfrtions,

and. through a slot of' the latter, at the'jnnction ofthe said plain border with the raised part, in su cha way as to canse the sections to move, and be maintained orcontracting. t Y

D represents semi-elliptical springs, hin d to the wire support,,andi-arranged to press.v tightly-epoxi 'the glass chimney, to :hold the shadesa Vany' lposition' o n the said chimney. l f i .These .springs are hinged tothesaidwireby cntting two longitudinal .parallel slits near tliecex ,and pressing the part a. bet-Ween them` nwar dronkc room for inserting the wire between .the said parte, and thc parts outside the said slots. l

Patent- The improved expanding)lainplshade, .,lahoveifdescribed, formed bythev combination ofhexageiiahw e Support A, hinged adj usmb1es-mdeseenbsjs .atteigne-il y C, and .semi-elliptical' springs D, all beingarranged 

